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When Does Norton Error 8506 And 421 Occur? What Are Its Solutions?

Norton Error 8506 and 421

Norton Error 8506 and 421 messages can affect the performance of your computer system. These are mainly the runtime errors occurring during the execution of a program (Norton Antivirus Software). Without beating around the bush, we will start our article on what are the causes, symptoms and resolution for Norton 360 error 8506 and 421 messages.

 

What Are The Causes Of Norton Security Error 8506 And 421?

Norton is one of the most outstanding security software available in the market. However, being a prominent security application, it is still prone to various errors and performance issues.

  • The Windows registry might have got corrupted due to a recent antivirus-related change like install or uninstall
  • When you have downloaded a corrupt version of the software or performed incomplete installation
  • A malware or virus infection might have corrupted the Norton antivirus or Windows-related program files

 

What Are The Symptoms Of Norton 360 Error 8506 And 421 Windows 7?

  • Applications get crashed in the middle of an operation
  • A pop-up window displays Norton security error 8506 and 421
  • Windows responds slowly to mouse and keyboard inputs
  • Your computer stuck or hangs periodically for few seconds

 

Fixing Error 8506 Norton 421

Re-establishing the Windows registry entries attached with error 8506 Norton 421
  • Click Start button > in the search box, type ‘command’ > holding CTRL + Shift press ENTER
  • The Command Prompt dialog box will appear [a black box with a blinking (_) cursor]
  • In the Command Prompt > type ‘regedit’ > ENTER
  • The Registry editor will open. Select the error 8506 Norton 421- related key, which you want to backup
  • Go to File menu > select Export
  • Select Save In and locate the folder in which you want to place your Norton Antivirus backup key
  • In the Export Range box, check the Selected Branch option
  • Your backup file will be saved with a .reg extension

 

Contact Norton Tech Support +1-855-558-3999 For Norton Error Dealings 

Norton tech support number +18555583999 will help you in achieving helpful, professional, high-quality assistance and service regarding your Norton Antivirus Software. Issues like Norton error 8506 and 421, installation and activation problems, delay in opening, etc are some of the common scenarios of Norton Antivirus Software and it can frustrate you to an extent that you will probably start to find an alternative to Norton. Nevertheless, truth to be told; every antivirus software goes through something like these one or another way. Our magnificent Norton customer service will help you to get the most out of your antivirus software be its performance issues, error dealings, installation setups and more.

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